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| author | Yan Zheng <zheng.yan@oracle.com> | 2009-07-28 08:41:57 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-07-28 08:41:57 -0400 |
| commit | f25784b35f590c81d5fb8245a8cd45e1afb6f1b2 (patch) | |
| tree | 71306747041b6e4a5eaccc5028c770fed29b3f87 /fs/btrfs/extent-tree.c | |
| parent | 68b38550ddbea13d296184bf69edff387618b1d3 (diff) | |
| download | lwn-f25784b35f590c81d5fb8245a8cd45e1afb6f1b2.tar.gz lwn-f25784b35f590c81d5fb8245a8cd45e1afb6f1b2.zip | |
Btrfs: Fix async caching interaction with unmount
- don't stop the caching thread until btrfs_commit_super return.
- if caching is interrupted by umount, set last to (u64)-1.
otherwise the un-scanned range of block group will be considered
as free extent.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 08188f1615d9..fadf69a2764b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -288,8 +288,10 @@ again: while (1) { smp_mb(); - if (block_group->fs_info->closing) + if (block_group->fs_info->closing > 1) { + last = (u64)-1; break; + } leaf = path->nodes[0]; slot = path->slots[0]; |